body {
    font-family: Arial, sans-serif;
    text-align: center;
}

a {
    display: inline-block;
    margin: 15px;
    text-decoration: none;
    color: #fff;
    background-color: #007BFF;
    padding: 12px 30px;
    border-radius: 5px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

a:hover {
    background-color: #0056b3;
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

table {
    border: 1px solid black;
    margin: 0 auto;
    border-collapse: collapse;
}

td {
    border: 2px solid silver;
    font-size: 20px;
    width: 150px;
}